Finding the Fourth Proportional to 16,757.55, 25,139.70 and 4,911.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,757.55 : 25,139.70 = 4,911.30 : x
2. Step 2: Convert to fraction form
   16,757.55/25,139.70 = 4,911.30/x
3. Step 3: Cross multiply
   16,757.55x = 25,139.70 × 4,911.30
4. Step 4: Simplify right side
   16,757.55x = 123,468,608.61
5. Step 5: Solve for x
   x = 123,468,608.61/16,757.55
6. Step 6: Final answer
   x = 7,367.94